Pyle PDWT5 5.25-Inch Indoor Surface Mount 70 Volt P.A wall Speaker 5.25'' indoor surface Mount wall speaker - SPL(at 1W/1m): 90dB Power/Load Rating: 35Watts - Mounting Bracket & Hardware Included Nominal Impedance: 8 Ohms - Dimensions:11" H x 7.5" W x 3.5''D 5.25'' indoor surface Mount wall speaker - SPL(@ 1W/1m): 90dB Power/Load Rating: 35Watts - Mounting Bracket & Hardware Included Nominal Impedance: 8 Ohms - Dimensions:11" H x 7.5" W x 3.5''D 70 Volt Transformer Tapping @ 6 / 3 / 1.5 Frequency Range: 150 Hz - 17 KHz